/**
* Arranges the contents of the block, within the given constraints, and returns the block size.
*
* @param g2 the graphics device.
* @param constraint the constraint (<code>null</code> not permitted).
* @return The block size (in Java2D units, never <code>null</code>).
*/
@Override
public Size2D arrange(Graphics2D g2, RectangleConstraint constraint) {
RectangleConstraint cc = toContentConstraint(constraint);
LengthConstraintType w = cc.getWidthConstraintType();
LengthConstraintType h = cc.getHeightConstraintType();
Size2D contentSize = null;
if (w == LengthConstraintType.NONE) {
if (h == LengthConstraintType.NONE) {
contentSize = new Size2D(getWidth(), getHeight());
} else if (h == LengthConstraintType.RANGE) {
throw new RuntimeException("Not yet implemented.");
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not yet implemented.");
}
} else if (w == LengthConstraintType.RANGE) {
if (h == LengthConstraintType.NONE) {
throw new RuntimeException("Not yet implemented.");
} else if (h == LengthConstraintType.RANGE) {
contentSize = arrangeRR(g2, cc.getWidthRange(), cc.getHeightRange());
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not yet implemented.");
}
} else if (w == LengthConstraintType.FIXED) {
if (h == LengthConstraintType.NONE) {
throw new RuntimeException("Not yet implemented.");
} else if (h == LengthConstraintType.RANGE) {
throw new RuntimeException("Not yet implemented.");
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not yet implemented.");
}
}
return new Size2D(
calculateTotalWidth(contentSize.getWidth()), calculateTotalHeight(contentSize.getHeight()));
}
/**
* Calculates the width and height of the text line.
*
* @param g2 the graphics device.
* @return The width and height.
*/
public Size2D calculateDimensions(Graphics2D g2) {
double width = 0.0;
double height = 0.0;
for (TextFragment fragment : this.fragments) {
final Size2D dimension = fragment.calculateDimensions(g2);
width = width + dimension.getWidth();
height = Math.max(height, dimension.getHeight());
}
return new Size2D(width, height);
}
/**
* A utility method for determining the height of a text block.
*
* @param block the text block.
* @param position the label position.
* @param g2 the graphics device.
* @return The height.
*/
protected double calculateTextBlockHeight(
TextBlock block, CategoryLabelPosition position, Graphics2D g2) {
RectangleInsets insets = getTickLabelInsets();
Size2D size = block.calculateDimensions(g2);
Rectangle2D box = new Rectangle2D.Double(0.0, 0.0, size.getWidth(), size.getHeight());
Shape rotatedBox = ShapeUtilities.rotateShape(box, position.getAngle(), 0.0f, 0.0f);
double h = rotatedBox.getBounds2D().getHeight() + insets.getTop() + insets.getBottom();
return h;
}
/**
* Performs an arrangement with a fixed width and a range for the height.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The container size after the arrangement.
*/
protected Size2D arrangeFR(
BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
Size2D size1 = arrangeFN(container, g2, constraint.getWidth());
if (constraint.getHeightRange().contains(size1.getHeight())) {
return size1;
} else {
double h = constraint.getHeightRange().constrain(size1.getHeight());
RectangleConstraint c2 = constraint.toFixedHeight(h);
return arrange(container, g2, c2);
}
}
/**
* Draws the text line.
*
* @param g2 the graphics device.
* @param anchorX the x-coordinate for the anchor point.
* @param anchorY the y-coordinate for the anchor point.
* @param anchor the point on the text line that is aligned to the anchor point.
* @param rotateX the x-coordinate for the rotation point.
* @param rotateY the y-coordinate for the rotation point.
* @param angle the rotation angle (in radians).
*/
public void draw(
Graphics2D g2,
float anchorX,
float anchorY,
TextAnchor anchor,
float rotateX,
float rotateY,
double angle) {
Size2D dim = calculateDimensions(g2);
float xAdj = 0.0f;
if (anchor.isHorizontalCenter()) {
xAdj = (float) -dim.getWidth() / 2.0f;
} else if (anchor.isHorizontalRight()) {
xAdj = (float) -dim.getWidth();
}
float x = anchorX + xAdj;
float yOffset = calculateBaselineOffset(g2, anchor);
for (TextFragment fragment : this.fragments) {
Size2D d = fragment.calculateDimensions(g2);
fragment.draw(g2, x, anchorY + yOffset, TextAnchor.BASELINE_LEFT, rotateX, rotateY, angle);
x = x + (float) d.getWidth();
}
}
/**
* Arranges the items in the specified container, subject to the given constraint.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The block size.
*/
@Override
public Size2D arrange(BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
RectangleConstraint contentConstraint = container.toContentConstraint(constraint);
Size2D contentSize = null;
LengthConstraintType w = contentConstraint.getWidthConstraintType();
LengthConstraintType h = contentConstraint.getHeightConstraintType();
if (w == LengthConstraintType.NONE) {
if (h == LengthConstraintType.NONE) {
contentSize = arrangeNN(container, g2);
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.RANGE) {
throw new RuntimeException("Not implemented.");
}
} else if (w == LengthConstraintType.FIXED) {
if (h == LengthConstraintType.NONE) {
contentSize = arrangeFN(container, g2, constraint.getWidth());
} else if (h == LengthConstraintType.FIXED) {
contentSize = arrangeFF(container, g2, constraint);
} else if (h == LengthConstraintType.RANGE) {
contentSize = arrangeFR(container, g2, constraint);
}
} else if (w == LengthConstraintType.RANGE) {
if (h == LengthConstraintType.NONE) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.RANGE) {
contentSize =
arrangeRR(container, constraint.getWidthRange(), constraint.getHeightRange(), g2);
}
}
return new Size2D(
container.calculateTotalWidth(contentSize.getWidth()),
container.calculateTotalHeight(contentSize.getHeight()));
}